package cn.tedu._07springaop.aop;

/**
 * @Author Justin Parker
 * @Date 2024/8/14 0014 17:38
 * @Version 1.0
 */
public interface Calculator {

    int add(int x, int y);

    int sub(int x, int y);

    int mul(int x, int y);

    int div(int x, int y);
}
